CressHelp - Wind waves and swell - Wave / structure interaction

Cress Help - Wind waves and swell - Wave / structure interaction - Run-up / run down - A8.2

Wave rundown

This rule deals with the calculation of the run-down, which is the difference between the water level and the minimum run-down. This is used to determine the damaged caused to dikes by wave attack.

Equations used:

(equation 1)

(equation 2)

(equation 3)

in which:

g = acceleration of gravity [m/s2]

Hs = significant wave height [m]

Rd2 = 2%-run down [m]

Tp = peak period [s]

tan(a) = tangent of the slope section [-]

xp = breaker parameter [-]